23118912 has 112 divisors (see below), whose sum is σ = 72054720. Its totient is φ = 7243776.

The previous prime is 23118871. The next prime is 23118917. The reversal of 23118912 is 21981132.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23118917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28983 + ... + 29769.

Almost surely, 2^23118912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23118912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36027360).

23118912 is an abundant number, since it is smaller than the sum of its proper divisors (48935808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23118912 is a wasteful number, since it uses less digits than its factorization.

23118912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 809 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 23118912 is about 4808.2129736525. The cubic root of 23118912 is about 284.8759571000.

The spelling of 23118912 in words is "twenty-three million, one hundred eighteen thousand, nine hundred twelve".